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    • 1. 发明授权
    • Thermal modulation device for two dimensional gas chromatography
    • 二维气相色谱热调制装置
    • US08277544B2
    • 2012-10-02
    • US12732288
    • 2010-03-26
    • Xiaosheng GuanQiang Xu
    • Xiaosheng GuanQiang Xu
    • B01D53/02
    • G01N30/465G01N30/463G01N2030/025G01N2030/3053
    • A thermal modulation device for a gas chromatography (GC) system a cold zone, a first hot zone and a second hot zone, which are located outside of a GC oven of the GC system, and a flexible capillary column. The cold zone includes a thermoelectric cooler assembly. The first hot zone is adjacent a first side of the cold zone, and has a corresponding first heat source. The second hot zone is adjacent a second side of the cold zone, and has a corresponding second heat source. The flexible capillary column includes a first segment, configured to move between the first hot zone and the cold zone in accordance with a modulation frequency, and a second segment, configured to move between the cold zone and the second hot zone in accordance with the modulation frequency.
    • 用于气相色谱(GC)系统的热调制装置,位于GC系统的GC烘箱外部的冷区,第一热区和第二热区以及柔性毛细管柱。 冷区包括热电冷却器组件。 第一热区邻近冷区的第一侧,并且具有对应的第一热源。 第二热区邻近冷区的第二侧,并具有相应的第二热源。 柔性毛细管柱包括第一段,其被配置为根据调制频率在第一热区和冷区之间移动,第二段被配置成根据调制在冷区和第二热区之间移动 频率。